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List of catalogs of this article:

• 1, The function and principle of relay
• 2、What is a relay
• 3, What is a relay
• 4, What does ems relay mean
• 5, working principle and function of relay
• 6, What is a relay and what is its function?

The function and principle of the relay

1. Therefore, it plays the role of automatic adjustment, safety protection, conversion circuit, etc. in the circuit. In the 1830s, American physicist Joseph Henry invented relays using electromagnetic induction when studying circuit control.

2. Working principle of the relay: When the relay is working, the electromagnet is energized, and the connecting iron is sucked down to make D and E contact, and the working circuit is closed. When the electromagnet is cut off, it loses its magnetism, and the spring pulls up the connecting iron to cut off the working circuit.It is actually an automatic switch that uses small current to control the operation of large current.

3. [Pacific Automobile Network] The main working principle of the relay is: when the change of the input quantity (excitation quantity) meets the specified requirements, it is an electrical appliance that makes the controlled quantity undergo a predetermined step change in the electrical output circuit. It has an interaction between the control system (also known as the input loop) and the controlled system (also known as the output loop).

4. Working principle and characteristics of electromagnetic relays. Electromagnetic relays are generally composed of iron cores, coils, connecting irons, contact reeds, etc.

What is a relay

1. A relay is a kind of electrical controller, commonly speaking, the switch is turned off or on when the conditions are met.Relay is actually an automatic switch that uses a smaller current to control a larger current. It plays the role of automatic adjustment, safety protection, conversion circuit and so on in the circuit.

2. The relay is an executive component that plays the role of control and isolation in the automatic control circuit. It is actually an automatic switch that can control large current and high voltage with low voltage and small current.

3. Relay is an electronic controller. It has a control system (also known as an input loop) and a controlled system (also known as an output loop). It is usually used in automatic control circuits. It is actually an "automatic switch" that uses a smaller current to control a larger current.

4. Relay (English name: relay) is an electrical control component, which is the input quantity (excitation quantity)When the change meets the specified requirements, it is an electrical appliance that makes the controlled amount undergo a predetermined step change in the electrical output circuit.

5. The relay is a kind of control device commonly used in our daily life. In the common sense, it is a switch, which is turned off or turned on when the conditions are met. The switching characteristics of relays are widely used in many control systems, especially discrete control systems.

What is a relay

1. The relay is an electrical controller, which is to make the controlled quantity occur in the electrical output circuit when the change of the input quantity (excitation) meets the specified requirements. A kind of changing electrical appliance. Relay is usually used in automated control circuits. It is actually an "automatic switch" that uses small current to control the operation of large current.

2. Relay is an electrical controller, which is an electrical appliance that makes the controlled quantity undergo a predetermined step change in the electrical output circuit when the change of the input quantity (excitation) meets the specified requirements.

3. Relay (English name: relay) is an electrical control component,It is an electrical appliance that makes the controlled quantity undergo a predetermined step change in the electrical output circuit when the change of the input quantity (excitation) meets the specified requirements.

4. Relay (English name: Relay). It is an electrical adjustment element, which is an electrical appliance that changes the controlled amount to a predetermined step length in the electrical output circuit when the change of the input quantity (excitation) meets the specified requirements. It has an interactive relationship between the regulating system (also known as the input loop) and the regulated system (also known as the output loop).

5. Relay is an electrical control device that realizes the control of another circuit by controlling the opening and closing of one circuit. Relays usually contain an electromagnetic coil and one or more controllable contacts.

6. Relay is a small signal.Control electrical appliances, which uses current, voltage, time, speed, temperature and other signals to turn on and disconnect small current circuits. It is widely used in the protection of electric motors or lines and the automatic control of various production machinery.

What does ems relay mean

EMS (Electro Magnetic Susceptibility) means electromagnetic sensitivity. It refers to the degree to which the performance is easily reduced due to electromagnetic energy. For the sake of ease of understanding, we compare electronic devices to people, and compare electromagnetic energy to cold viruses. The sensitivity is whether they are prone to colds.

The full name of EMS is Emergency Stop System, which is a device used to quickly stop machines and processes in an emergency.

Relay is actually an "automatic switch" that uses a smaller current to control a larger current.

working principle and function of relay

working principle and characteristics of relay Relay is an electronic controller, which has a control system (also known as input loop) and a controlled system (also known as output loop), through It is often used in automatic control circuits. It is actually an "automatic switch" that uses a smaller current to control a larger current.

Working principle of the relay: When the relay is working, the electromagnet is energized, the connecting iron is sucked down to make D and E contact, and the working circuit is closed. When the electromagnet is cut off, it loses its magnetism, and the spring pulls up the connecting iron to cut off the working circuit. It is actually an automatic switch that uses small current to control the operation of large current.

[Pacific Automobile Network] The main working principle of the relay is: when the change of input quantity (excitation quantity) meets the specified requirements, it is an electrical appliance that makes the controlled quantity undergo a predetermined step change in the electrical output circuit. It has an interaction between the control system (also known as the input loop) and the controlled system (also known as the output loop).

Therefore, it plays the role of automatic adjustment, safety protection, conversion circuit, etc. in the circuit. Because the relay is composed of two parts, the coil and the contact group, the graphic symbol of the relay in the circuit diagram also includes two parts: a long square represents the coil; a set of contact symbols represents the contact combination.

What is a relay and what is its function?

It is actually an automatic switch that uses small current to control the operation of large current.The functions of the relay include expanding the control range, amplification, integrated signal, automatic, remote control and monitoring.

Relay is an electrical controller, which is an electrical appliance that makes the controlled quantity undergo a predetermined jump change in the electrical output circuit when the change of the input quantity (excitation) meets the specified requirements. Relay is usually used in automated control circuits. It is actually an "automatic switch" that uses small current to control the operation of large current.

(2), zoom in. For example, sensitive relays, intermediate relays, etc. can control a large amount of power circuits with a very small amount of control. (3). Comprehensive signal. For example, when multiple controller signals are input into the multi-winding relay in the prescribed form, the predetermined control effect is achieved after comparison and synthesis.

The role of the relay The role of the relay has two main aspects: protection circuit and automatic control.Protection circuit: In the power system, relays are used to protect the circuit from overvoltage, overcurrent and other damage. When there is an abnormal situation in the circuit, the relay will act quickly to cut off the circuit and prevent accidents.

Relay is an electronic controller. It has a control system (also known as an input loop) and a controlled system (also known as an output loop). It is usually used in automatic control circuits. It is actually an "automatic switch" that uses a smaller current to control a larger current.

Relay is a kind of power control equipment that includes a control system (input loop) and a controlled system (output loop), and the interaction between the two. Simply put, the function of the relay is to use small current to control large current, which plays the role of automatic adjustment, safety protection, conversion circuit, etc.